494640588 has 96 divisors (see below), whose sum is σ = 1327656960. Its totient is φ = 142168320.

The previous prime is 494640571. The next prime is 494640631. The reversal of 494640588 is 885046494.

It is a super-2 number, since 2×494640588² = 489338622593971488, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138481 + ... + 142007.

It is an arithmetic number, because the mean of its divisors is an integer number (13829760).

Almost surely, 2^494640588 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 494640588, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (663828480).

494640588 is an abundant number, since it is smaller than the sum of its proper divisors (833016372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

494640588 is a wasteful number, since it uses less digits than its factorization.

494640588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3607 (or 3605 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 48.

The square root of 494640588 is about 22240.5168105420. The cubic root of 494640588 is about 790.8544874877.

The spelling of 494640588 in words is "four hundred ninety-four million, six hundred forty thousand, five hundred eighty-eight".